Использую Btrfs и много subvolume’ов: предположительно для разных ОС; сейчас — Gentoo (основная) и Arch aka тестовый полигон.
/dev/efi /boot/efi vfat rw,relatime,fmask=0022,dmask=0022,codepage=437,iocharset=ascii,shortname=mixed,utf8,errors=remount-ro 0 2
/dev/btrfs / btrfs rw,noatime,compress=zstd:1,ssd,space_cache=v2,subvol=/@gentoo 0 1
/dev/btrfs /home btrfs rw,noatime,compress=zstd:1,ssd,space_cache=v2,subvol=/@home 0 2
/dev/btrfs /snapshots btrfs rw,noatime,compress=zstd:1,ssd,space_cache=v2,subvol=/@gentoo-snapshots 0 0
/dev/btrfs /var/log btrfs defaults,nodatacow,ssd,space_cache=v2,subvol=/@gentoo-log 0 0
/dev/btrfs /var/cache btrfs rw,noatime,nodatacow,ssd,space_cache=v2,subvol=/@gentoo-cache 0 0
/dev/btrfs /var/db/repos/gentoo btrfs rw,noatime,compress=zstd:1,ssd,space_cache=v2,subvol=/@gentoo-portage 0 0
/dev/btrfs /mnt btrfs rw,noatime,compress=none,ssd,space_cache=v2,subvol=/@mnt 0 0
/dev/btrfs /home/dekabu/Media btrfs rw,noatime,compress=no,compress-force=no,nodatacow,ssd,space_cache=v2,subvol=/@media 0 0
/home/dekabu/Media/Music /home/dekabu/Music none bind
/home/dekabu/Media/Videos /home/dekabu/Videos none bind
/home/dekabu/Media/Games /home/dekabu/Games none bind
/home/dekabu/Media/Pictures /home/dekabu/Pictures none bind
/dev/sda3 on / type btrfs (rw,noatime,compress=zstd:1,ssd,discard=async,noacl,space_cache=v2,subvolid=272,subvol=/@gentoo)
devtmpfs on /dev type devtmpfs (rw,nosuid,noexec,relatime,size=10240k,nr_inodes=478627,mode=755)
proc on /proc type proc (rw,nosuid,nodev,noexec,relatime)
tmpfs on /run type tmpfs (rw,nosuid,nodev,size=766696k,nr_inodes=819200,mode=755)
sysfs on /sys type sysfs (rw,nosuid,nodev,noexec,relatime)
debugfs on /sys/kernel/debug type debugfs (rw,nosuid,nodev,noexec,relatime)
tracefs on /sys/kernel/tracing type tracefs (rw,nosuid,nodev,noexec,relatime)
mqueue on /dev/mqueue type mqueue (rw,nosuid,nodev,noexec,relatime)
fusectl on /sys/fs/fuse/connections type fusectl (rw,nosuid,nodev,noexec,relatime)
devpts on /dev/pts type devpts (rw,nosuid,noexec,relatime,gid=5,mode=620,ptmxmode=000)
selinuxfs on /sys/fs/selinux type selinuxfs (rw,relatime)
shm on /dev/shm type tmpfs (rw,nosuid,nodev,noexec,relatime)
efivarfs on /sys/firmware/efi/efivars type efivarfs (rw,nosuid,nodev,noexec,relatime)
cgroup2 on /sys/fs/cgroup type cgroup2 (rw,nosuid,nodev,noexec,relatime,nsdelegate)
binfmt_misc on /proc/sys/fs/binfmt_misc type binfmt_misc (rw,nosuid,nodev,noexec,relatime)
/dev/sda1 on /boot/efi type vfat (rw,relatime,fmask=0022,dmask=0022,codepage=437,iocharset=ascii,shortname=mixed,utf8,errors=remount-ro)
/dev/sda3 on /home type btrfs (rw,noatime,compress=zstd:1,ssd,discard=async,noacl,space_cache=v2,subvolid=275,subvol=/@home)
/dev/sda3 on /snapshots type btrfs (rw,noatime,compress=zstd:1,ssd,discard=async,noacl,space_cache=v2,subvolid=273,subvol=/@gentoo-snapshots)
/dev/sda3 on /var/log type btrfs (rw,relatime,compress=zstd:1,ssd,discard=async,noacl,space_cache=v2,subvolid=276,subvol=/@gentoo-log)
/dev/sda3 on /var/cache type btrfs (rw,noatime,compress=zstd:1,ssd,discard=async,noacl,space_cache=v2,subvolid=277,subvol=/@gentoo-cache)
/dev/sda3 on /var/db/repos/gentoo type btrfs (rw,noatime,compress=zstd:1,ssd,discard=async,noacl,space_cache=v2,subvolid=274,subvol=/@gentoo-portage)
/dev/sda3 on /mnt type btrfs (rw,noatime,compress=zstd:1,ssd,discard=async,noacl,space_cache=v2,subvolid=292,subvol=/@mnt)
/dev/sda3 on /home/dekabu/Media type btrfs (rw,noatime,compress=zstd:1,ssd,discard=async,noacl,space_cache=v2,subvolid=295,subvol=/@media)
/dev/sda3 on /home/dekabu/Music type btrfs (rw,noatime,compress=zstd:1,ssd,discard=async,noacl,space_cache=v2,subvolid=295,subvol=/@media)
/dev/sda3 on /home/dekabu/Videos type btrfs (rw,noatime,compress=zstd:1,ssd,discard=async,noacl,space_cache=v2,subvolid=295,subvol=/@media)
/dev/sda3 on /home/dekabu/Games type btrfs (rw,noatime,compress=zstd:1,ssd,discard=async,noacl,space_cache=v2,subvolid=295,subvol=/@media)
/dev/sda3 on /home/dekabu/Pictures type btrfs (rw,noatime,compress=zstd:1,ssd,discard=async,noacl,space_cache=v2,subvolid=295,subvol=/@media)
tmpfs on /run/user/1000 type tmpfs (rw,nosuid,nodev,relatime,size=383348k,nr_inodes=95837,mode=700,uid=1000,gid=1000)
portal on /run/user/1000/doc type fuse.portal (rw,nosuid,nodev,relatime,user_id=1000,group_id=1000)
, но выполнять его всякий раз при загрузке системы — моветон. Почему монтирование некорректно, сталкивался кто-нибудь? Оно игнорирует все параметры и ставит дефолтные.
